2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1996-05-01 12:45:28 quinn
8 * Support use of local tag names in abs file.
10 * Revision 1.3 1995/11/01 16:34:55 quinn
11 * Making data1 look for tables in data1_tabpath
13 * Revision 1.2 1995/11/01 13:54:44 quinn
16 * Revision 1.1 1995/11/01 11:56:06 quinn
17 * Added Retrieval (data management) functions en masse.
35 #define D1_MAX_NESTING 128
36 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
38 static struct /* cache of abstract syntaxes */
42 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
44 data1_absyn *data1_get_absyn(char *name)
49 for (i = 0; syntaxes[i].name; i++)
50 if (!strcmp(name, syntaxes[i].name))
51 return syntaxes[i].absyn;
53 if (i >= DATA1_MAX_SYNTAXES - 1)
55 logf(LOG_WARN, "Too many abstract syntaxes loaded");
58 sprintf(fname, "%s.abs", name);
59 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
61 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
63 strcpy(syntaxes[i].name, name);
64 syntaxes[i+1].name = 0;
65 return syntaxes[i].absyn;
68 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
72 for (r = a->esetnames; r; r = r->next)
73 if (!data1_matchstr(r->name, name))
78 data1_element *data1_getelementbytagname(data1_absyn *abs,
79 data1_element *parent, char *tagname)
87 for (; r; r = r->next)
91 for (n = r->tag->names; n; n = n->next)
92 if (!data1_matchstr(tagname, n->name))
98 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
102 for (r = absyn->elements; r; r = r->next)
103 if (!data1_matchstr(r->name, name))
108 data1_absyn *data1_read_absyn(char *file)
110 char line[512], *r, cmd[512], args[512];
111 data1_absyn *res = 0;
113 data1_element **ppl[D1_MAX_NESTING];
114 data1_esetname **esetpp;
115 data1_maptab **maptabp;
116 data1_marctab **marcp;
119 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
121 logf(LOG_WARN|LOG_ERRNO, "%s", file);
125 if (!(res = xmalloc(sizeof(*res))))
128 res->reference = VAL_NONE;
134 maptabp = &res->maptabs;
138 ppl[0] = &res->elements;
139 esetpp = &res->esetnames;
143 while ((r = fgets(line, 512, f)))
145 while (*r && isspace(*r))
155 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
157 if (!strcmp(cmd, "elm"))
161 char path[512], name[512], att[512], *p;
164 if (sscanf(args, "%s %s %s", path, name, att) < 3)
166 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
176 if ((e = strchr(p, '/')))
183 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
188 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
190 new->next = new->children = 0;
193 ppl[level] = &new->next;
194 ppl[level+1] = &new->children;
196 /* well-defined tag */
197 if (sscanf(p, "(%d,%d)", &type, &value) == 2)
201 logf(LOG_WARN, "No tagset loaded in %s", file);
205 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
207 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
216 data1_tag *nt = new->tag = xmalloc(sizeof(*new->tag));
217 nt->which = DATA1T_string;
218 nt->value.string = xstrdup(p);
219 nt->names = xmalloc(sizeof(*new->tag->names));
220 nt->names->name = nt->value.string;
222 nt->kind = DATA1K_string;
226 logf(LOG_WARN, "Bad element is %s", file);
239 logf(LOG_WARN, "No attset loaded in %s", file);
243 if (!(new->att = data1_getattbyname(res->attset, att)))
245 logf(LOG_WARN, "Couldn't find att '%s' in attset", att);
250 if (!(new->name = xmalloc(strlen(name)+1)))
252 strcpy(new->name, name);
254 else if (!strcmp(cmd, "name"))
258 if (!sscanf(args, "%s", name))
260 logf(LOG_WARN, "%s malformed name directive in %s", file);
264 if (!(res->name = xmalloc(strlen(args)+1)))
266 strcpy(res->name, name);
268 else if (!strcmp(cmd, "reference"))
272 if (!sscanf(args, "%s", name))
274 logf(LOG_WARN, "%s malformed reference directive in %s", file);
278 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
280 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
285 else if (!strcmp(cmd, "attset"))
289 if (!sscanf(args, "%s", name))
291 logf(LOG_WARN, "%s malformed attset directive in %s", file);
295 if (!(res->attset = data1_read_attset(name)))
297 logf(LOG_WARN, "Attset failed in %s", file);
302 else if (!strcmp(cmd, "tagset"))
306 if (!sscanf(args, "%s", name))
308 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
312 if (!(res->tagset = data1_read_tagset(name)))
314 logf(LOG_WARN, "Tagset failed in %s", file);
319 else if (!strcmp(cmd, "varset"))
323 if (!sscanf(args, "%s", name))
325 logf(LOG_WARN, "%s malformed varset directive in %s", file);
329 if (!(res->varset = data1_read_varset(name)))
331 logf(LOG_WARN, "Varset failed in %s", file);
336 else if (!strcmp(cmd, "esetname"))
338 char name[512], fname[512];
340 if (sscanf(args, "%s %s", name, fname) != 2)
342 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
346 *esetpp = xmalloc(sizeof(**esetpp));
347 (*esetpp)->name = xmalloc(strlen(name)+1);
348 strcpy((*esetpp)->name, name);
351 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
353 logf(LOG_WARN, "%s: Espec-1 read failed", file);
358 esetpp = &(*esetpp)->next;
360 else if (!strcmp(cmd, "maptab"))
364 if (sscanf(args, "%s", name) != 1)
366 logf(LOG_WARN, "%s: One argument required for maptab directive",
370 if (!(*maptabp = data1_read_maptab(name)))
372 logf(LOG_WARN, "%s: Failed to read maptab.");
375 maptabp = &(*maptabp)->next;
377 else if (!strcmp(cmd, "marc"))
381 if (sscanf(args, "%s", name) != 1)
383 logf(LOG_WARN, "%s: One argument required for marc directive",
387 if (!(*marcp = data1_read_marctab(name)))
389 logf(LOG_WARN, "%s: Failed to read marctab.");
392 marcp = &(*marcp)->next;
396 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);